Ancor 321303 Marine Grade™ Heat Shrink Ring Terminals, #10 Fastener, 8 Wire, Red, 3/Pk
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You have 30 days to request a return. All sale items are final sale.
Ancor 321303 Marine Grade™ heat shrink ring terminals provide corrosion-resistant, tinned copper terminations with adhesive-lined heat shrink for a tight seal and vibration/strain relief—ideal for marine wiring where moisture protection matters.
Key Features
- Marine Grade heat shrink ring terminals with **tinned copper** for corrosion resistance and reliable current flow.
- **Adhesive lined** heat shrink tubing helps shrink to form a tight seal.
- Designed to provide **vibration and strain relief** at the connection.
Intended Use
- Marine electrical wiring and battery/house circuits
- Stern/terminal block connections where ring terminals are used
- General wire-to-stud terminations that benefit from adhesive-lined heat shrink sealing
Product Details
- Ancor Marine Grade™ heat shrink ring terminals
- Model/SKU in title: **321303**
- Fastener size: **#10**
- Wire size: **8 Wire** (as stated in product title)
- Color: **Red** (as stated in product title)
- Quantity: **3/Pk** (as stated in product title)
- Package/variant SKU: **639-321303**
- UPC/Barcode (variant): **091887986433**
Parts Desk Insights
Best Use Case: Use these adhesive-lined heat shrink ring terminals when you want both a secure ring-terminal connection and moisture-sealing coverage over the terminal-to-wire interface in a marine environment.
Common Issues: Common install mistakes include insufficient heat for the adhesive to activate or using the wrong wire gauge for the terminal/crimp. Double-check that your wire gauge matches the connector’s intended wire size and ensure the sleeve fully shrinks around the conductor/terminal for the tight seal to form.
Related Products & Accessories
- Browse Heat Shrink & Adhesive Lined connectors - Explore other adhesive-lined heat shrink terminal options for matching wire gauge and fastener size.
- Browse Wiring & Connections - Find additional marine wiring connectors and accessories to complete your installation.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.